To which subset of real numbers does the number -22 belong? choose all subsets that apply.
1. whole numbers
2. rational numbers
3. integers
4. irrational numbers
5. natural numbers

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75